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Sydney Harbour replaced old moorings with eco-friendly ones to help endangered seagrass regrow, marking a first for the area.
In 2026, Sydney Harbour installed 10 eco-friendly moorings at Balmoral Boatshed, replacing traditional chain-and-block systems that damaged seagrass.
The new design uses helical screw anchors and rope with riser buoys to keep mooring lines off the seabed, allowing endangered Posidonia australis seagrass to regrow.
Scientists from the Sydney Institute of Marine Science planted seagrass fragments collected from storm-washed beaches, nurtured in a lab, and replanted at high density.
This marks the first time seagrass has been planted under active moorings in the harbor.
The project, part of SIMS’s Project Restore and funded by state grants, follows successful plantings at other sites with an 80% survival rate.
Though each eco-mooring costs about $5,000—more than traditional ones—owners and experts see long-term ecological benefits, despite challenges in regulatory approval for restoration efforts.
El puerto de Sydney reemplazó los antiguos amarres por otros ecológicos para ayudar a que las hierbas marinas en peligro de extinción vuelvan a crecer, marcando una primicia para el área.